.page-section { display: none; }
        .page-section.active { display: block; animation: slideUp 0.6s cubic-bezier(0.23, 1, 0.32, 1); }
        @keyframes slideUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        
        .hero-bg {
            background-image: url('https://i.pinimg.com/736x/11/69/55/116955066f86699e221c00e768ae53ab.jpg');
            background-size: cover;
            background-position: center;
        }
        
        .energy-pulse {
            position: absolute;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
            animation: pulse 4s ease-in-out infinite;
        }
        @keyframes pulse { 0%, 100% { opacity: 0.2; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }

        .glass-panel { background: rgba(255, 255, 255, 0.85); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.3); }
        .card-lift { transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
        .card-lift:hover { transform: translateY(-10px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }
        
        /* Custom scrollbar */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-thumb { background: #28C76F; border-radius: 10px; }